#ifndef _PESTRUCT_H_
#define _PESTRUCT_H_

typedef unsigned long       DWORD;
typedef int                 BOOL;
typedef unsigned char       BYTE;
typedef unsigned short      WORD;
typedef float               FLOAT;


typedef int                 INT;
typedef unsigned int        UINT;
typedef unsigned int        *PUINT;


typedef struct _IMAGE_DOS_HEADER {      // DOS .EXE header
	WORD   e_magic;                     // Magic number
	WORD   e_cblp;                      // Bytes on last page of file
	WORD   e_cp;                        // Pages in file
	WORD   e_crlc;                      // Relocations
	WORD   e_cparhdr;                   // Size of header in paragraphs
	WORD   e_minalloc;                  // Minimum extra paragraphs needed
	WORD   e_maxalloc;                  // Maximum extra paragraphs needed
	WORD   e_ss;                        // Initial (relative) SS value
	WORD   e_sp;                        // Initial SP value
	WORD   e_csum;                      // Checksum
	WORD   e_ip;                        // Initial IP value
	WORD   e_cs;                        // Initial (relative) CS value
	WORD   e_lfarlc;                    // File address of relocation table
	WORD   e_ovno;                      // Overlay number
	WORD   e_res[4];                    // Reserved words
	WORD   e_oemid;                     // OEM identifier (for e_oeminfo)
	WORD   e_oeminfo;                   // OEM information; e_oemid specific
	WORD   e_res2[10];                  // Reserved words
	LONG   e_lfanew;                    // File address of new exe header
} IMAGE_DOS_HEADER, *PIMAGE_DOS_HEADER;


typedef struct _IMAGE_FILE_HEADER {
	WORD    Machine;
	WORD    NumberOfSections;
	DWORD   TimeDateStamp;
	DWORD   PointerToSymbolTable;
	DWORD   NumberOfSymbols;
	WORD    SizeOfOptionalHeader;
	WORD    Characteristics;
} IMAGE_FILE_HEADER, *PIMAGE_FILE_HEADER;

#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES    16


typedef struct _IMAGE_DATA_DIRECTORY {
	DWORD   VirtualAddress;
	DWORD   Size;
} IMAGE_DATA_DIRECTORY, *PIMAGE_DATA_DIRECTORY;

typedef struct _IMAGE_OPTIONAL_HEADER {
	//
	// Standard fields.
	//

	WORD    Magic;
	BYTE    MajorLinkerVersion;
	BYTE    MinorLinkerVersion;
	DWORD   SizeOfCode;
	DWORD   SizeOfInitializedData;
	DWORD   SizeOfUninitializedData;
	DWORD   AddressOfEntryPoint;
	DWORD   BaseOfCode;
	DWORD   BaseOfData;

	//
	// NT additional fields.
	//

	DWORD   ImageBase;
	DWORD   SectionAlignment;
	DWORD   FileAlignment;
	WORD    MajorOperatingSystemVersion;
	WORD    MinorOperatingSystemVersion;
	WORD    MajorImageVersion;
	WORD    MinorImageVersion;
	WORD    MajorSubsystemVersion;
	WORD    MinorSubsystemVersion;
	DWORD   Win32VersionValue;
	DWORD   SizeOfImage;
	DWORD   SizeOfHeaders;
	DWORD   CheckSum;
	WORD    Subsystem;
	WORD    DllCharacteristics;
	DWORD   SizeOfStackReserve;
	DWORD   SizeOfStackCommit;
	DWORD   SizeOfHeapReserve;
	DWORD   SizeOfHeapCommit;
	DWORD   LoaderFlags;
	DWORD   NumberOfRvaAndSizes;
	IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
} IMAGE_OPTIONAL_HEADER32, *PIMAGE_OPTIONAL_HEADER32;


typedef struct _IMAGE_NT_HEADERS {
	DWORD Signature;
	IMAGE_FILE_HEADER FileHeader;
	IMAGE_OPTIONAL_HEADER32 OptionalHeader;
} IMAGE_NT_HEADERS32, *PIMAGE_NT_HEADERS32;


#endif